Chevrolet Cobalt Owners Manual: Theft-Deterrent Systems

Sun Visors

To block out glare, swing down the visor(s). The visors can also be detached from the center mount and swung to the side to cover the windows. Visor Vanity Mirror Your vehicle may have a driver's ...

Content Theft-Deterrent

Your vehicle may have a content theft-deterrent alarm system. Arming the System With the ignition off, you can arm the system by pressing the remote keyless entry transmitter lock button. The ...

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Chevrolet Cobalt Owners Manual. Gasoline Octane
If the vehicle has the 2.2L L4 engine (VIN Code 5), use regular unleaded gasoline with a posted octane rating of 87 or higher. If the octane rating is less than 87, an audible knocking noise, commonly referred to as spark knock, might be heard when driving. If this occurs, use a gasoline rated ...